| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 647.39 | USD | 20251001 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 788.12 | USD | 20250930 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 907.75 | USD | 20250930 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 781.09 | USD | 20250930 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 781.09 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 788.12 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.27 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.27 | USD | 20250930 |